Frost Sensor; Electric Fan With Electronic Speed Regulator - Fiat Bravo Service Manual

Auxiliary units
Climate control
50
( G N D ) El - j •
m
Wiring diagram
10
P4A10CH01
P4A10CH02
1 1 - ;
Frost s e n s o r
The frost sensor is located inside the duc-
t-distributor assembly, fitted directly on the
evaporator and detects
warning the control unit, if necessary, to
switch off the compressor to avoid freezing.
It consists of NTC sensor (R at 25°C = 10
kOhm), w i t h an operating range of between
-5°C and +25°C.

Electric fan with electronic speed regulator

This fan w h i c h sends the outside or recircula-
tion air towards the duct-distributor receives
a 12 V supply and is operated at different
speeds continuously by an electronic regula-
tor positioned nearby.
1. Electric fan
2. Electronic regulator
The electronic regulator receives an input
signal from the control unit and transforms it
into a continuously variable power earth sig-
nal to operate the fan.
A. Electric fan
B. Electronic regulator
C. Electronic control
Bravo-Brava
98 range
the temperature
unit
Print no. 506.670/16